PLATE I. 



Pseudostichopus trachus Slüiter. 



Figs. 1 and 5. Dorsal view, x \. 

 Figs. 2 — 4. Ventral view, x \. 



Stichopus ananas Jaeger, 



Figs. 6 — 7. Alcoholic specimens, x ^. 



Fig. 8. Cured trepang, " Gajimaru." x ^, 



Fig. 9. Cucumaria vegce Théel. x |. 



Colochirus doliolum (P.\llas). 



Fig. 10. Dorsal view, x j. 

 Fig. 11. Ventral view, x \. 



Fig. 12. Cucumaria nozaivai, sp. n. x y. 



Psolus ascidii/ormis, sp. n. 



Fig. 13. Side view, x 4- 

 Fig. 14. Dorsal view, x j. 

 Fig. 15. Venti'al view, x {. 



